Diane Leopold

Insider

First SEC filing: Feb. 23, 2026 · Latest: Feb. 23, 2026

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 74 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

74 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 17, 2026	NVT	F	222	$154.92	$34,392	3,539 Direct	-5.90%	Disposed	0.0% (price as of 2026-08-20)
June 15, 2026	MKL	J	66	$1668.65	$110,131	2,345 Direct	+2.90%	Acquired	7.3% (price as of 2026-08-20)
May 15, 2026	NVT	A	976	—	—	2,736 Direct	+55.45%	Acquired	(price as of 2026-08-20)
Aug. 13, 2025	NVT	P	100	$90.07	$9,007	2,000 Direct	+5.26%	Acquired	71.9% (price as of 2026-08-20)
Aug. 13, 2025	NVT	P	1,900	$89.84	$170,696	1,900 Direct	—	Acquired	72.4% (price as of 2026-08-20)
July 17, 2025	NVT	A	1,748	—	—	1,748 Direct	—	Acquired	(price as of 2026-08-20)
June 13, 2025	MKL	J	63	$1735.89	$109,361	2,090 Direct	+3.11%	Acquired	3.2% (price as of 2026-08-20)
May 21, 2025	MKL	A	88	—	—	2,027 Direct	+4.54%	Acquired	(price as of 2026-08-20)
June 14, 2024	MKL	J	79	$1389.66	$109,783	1,939 Direct	+4.25%	Acquired	28.9% (price as of 2026-08-20)
May 22, 2024	MKL	A	100	—	—	1,860 Direct	+5.68%	Acquired	(price as of 2026-08-20)
Feb. 26, 2024	D	A	12,887	—	—	94,672 Direct	+15.76%	Acquired	(price as of 2026-08-20)
Feb. 1, 2024	D	F	6,341	$46.68	$295,998	81,785 Direct	-7.20%	Disposed	46.3% (price as of 2026-08-20)
Dec. 1, 2023	D	S 10b5-1	200	$45.52	$9,104	94,176 Direct	-0.21%	Disposed	50.0% (price as of 2026-08-20)
Dec. 1, 2023	D	S 10b5-1	273	$45.53	$12,430	93,903 Direct	-0.29%	Disposed	49.9% (price as of 2026-08-20)
Dec. 1, 2023	D	S 10b5-1	700	$45.52	$31,864	93,203 Direct	-0.75%	Disposed	50.0% (price as of 2026-08-20)
Dec. 1, 2023	D	S 10b5-1	5,077	$45.51	$231,054	88,126 Direct	-5.45%	Disposed	50.0% (price as of 2026-08-20)
Oct. 1, 2023	D	F	5,739	$44.67	$256,361	94,376 Direct	-5.73%	Disposed	52.8% (price as of 2026-08-20)
June 15, 2023	MKL	J	91	$1204.63	$109,621	1,760 Direct	+5.45%	Acquired	48.7% (price as of 2026-08-20)
June 1, 2023	D	S 10b5-1	6,250	$49.16	$307,250	100,115 Direct	-5.88%	Disposed	38.9% (price as of 2026-08-20)
May 17, 2023	MKL	A	122	—	—	1,668 Direct	+7.89%	Acquired	(price as of 2026-08-20)
Feb. 16, 2023	MKL	P	137	$1339.16	$183,465	1,546 Direct	+9.72%	Acquired	33.8% (price as of 2026-08-20)
Feb. 16, 2023	MKL	P	13	$1337.24	$17,384	1,409 Direct	+0.93%	Acquired	33.9% (price as of 2026-08-20)
Feb. 10, 2023	D	A	13,437	—	—	106,365 Direct	+14.46%	Acquired	(price as of 2026-08-20)
Feb. 1, 2023	D	F	5,230	$63.10	$330,013	92,928 Direct	-5.33%	Disposed	8.2% (price as of 2026-08-20)
Dec. 1, 2022	D	S 10b5-1	6,250	$60.41	$377,562	98,158 Direct	-5.99%	Disposed	13.0% (price as of 2026-08-20)
Oct. 1, 2022	D	F	5,739	$69.11	$396,622	104,408 Direct	-5.21%	Disposed	-1.2% (price as of 2026-08-20)
June 1, 2022	D	S 10b5-1	6,250	$83.89	$524,312	110,147 Direct	-5.37%	Disposed	-18.6% (price as of 2026-08-20)
May 13, 2022	MKL	J	92	$1192.90	$109,747	1,396 Direct	+7.06%	Acquired	50.2% (price as of 2026-08-20)
May 11, 2022	MKL	A	129	—	—	1,304 Direct	+10.98%	Acquired	(price as of 2026-08-20)
Feb. 15, 2022	D	A	10,235	—	—	116,397 Direct	+9.64%	Acquired	(price as of 2026-08-20)
Feb. 1, 2022	D	F	5,362	$80.03	$429,121	106,162 Direct	-4.81%	Disposed	-14.7% (price as of 2026-08-20)
Oct. 1, 2021	D	F	5,739	$72.29	$414,872	111,524 Direct	-4.89%	Disposed	-5.6% (price as of 2026-08-20)
May 14, 2021	MKL	J	86	$1109.99	$95,459	1,175 Direct	+7.90%	Acquired	61.4% (price as of 2026-08-20)
May 10, 2021	MKL	A	103	—	—	1,089 Direct	+10.45%	Acquired	(price as of 2026-08-20)
Feb. 16, 2021	D	A	14,059	—	—	117,263 Direct	+13.62%	Acquired	(price as of 2026-08-20)
Feb. 1, 2021	D	F	3,983	$72.68	$289,484	103,204 Direct	-3.72%	Disposed	-6.1% (price as of 2026-08-20)
Nov. 9, 2020	D	S	2,952	$85.17	$251,422	10,361 Indirect	-22.17%	Disposed	-19.8% (price as of 2026-08-20)
Nov. 9, 2020	D	G	1,361	—	—	9,000 Indirect	-13.14%	Disposed	(price as of 2026-08-20)
Oct. 1, 2020	D	A	38,173	—	—	107,187 Direct	+55.31%	Acquired	(price as of 2026-08-20)
June 12, 2020	MKL	J	11	$972.98	$10,703	986 Direct	+1.13%	Acquired	84.1% (price as of 2026-08-20)
May 11, 2020	MKL	J	109	$870.97	$94,936	976 Direct	+12.57%	Acquired	105.7% (price as of 2026-08-20)
May 11, 2020	MKL	A	146	—	—	866 Direct	+20.28%	Acquired	(price as of 2026-08-20)
March 12, 2020	MKL	J	9	$1153.38	$10,380	720 Direct	+1.27%	Acquired	55.3% (price as of 2026-08-20)
Feb. 13, 2020	D	A	11,596	—	—	69,014 Direct	+20.20%	Acquired	(price as of 2026-08-20)
Feb. 1, 2020	D	F	3,146	$85.75	$269,770	57,418 Direct	-5.19%	Disposed	-20.4% (price as of 2026-08-20)
Dec. 1, 2019	D	F	2,429	$83.11	$201,874	16,734 Indirect	-12.68%	Disposed	-17.9% (price as of 2026-08-20)
Dec. 1, 2019	D	D	3,421	—	—	13,313 Indirect	-20.44%	Disposed	(price as of 2026-08-20)
Nov. 6, 2019	D	S	1,448	$81.10	$117,433	0 Indirect	-100.00%	Disposed	-15.8% (price as of 2026-08-20)
Nov. 5, 2019	D	S	11,500	$82.48	$948,520	19,163 Indirect	-37.50%	Disposed	-17.2% (price as of 2026-08-20)
May 13, 2019	MKL	J	92	$1032.92	$95,029	711 Direct	+14.86%	Acquired	73.4% (price as of 2026-08-20)
May 13, 2019	MKL	A	121	—	—	619 Direct	+24.30%	Acquired	(price as of 2026-08-20)
March 12, 2019	MKL	J	8	$954.92	$7,639	498 Direct	+1.63%	Acquired	87.6% (price as of 2026-08-20)
Feb. 5, 2019	D	A	2,990	—	—	30,663 Indirect	+10.80%	Acquired	(price as of 2026-08-20)
Feb. 5, 2019	D	A	11,887	—	—	60,564 Direct	+24.42%	Acquired	(price as of 2026-08-20)
Feb. 5, 2019	D	S	2,500	$71.31	$178,275	27,673 Indirect	-8.29%	Disposed	-4.3% (price as of 2026-08-20)
Feb. 1, 2019	D	F	1,355	$70.97	$96,164	30,173 Indirect	-4.30%	Disposed	-3.8% (price as of 2026-08-20)
May 16, 2018	MKL	J	84	$1132.03	$95,091	490 Direct	+20.69%	Acquired	58.2% (price as of 2026-08-20)
May 14, 2018	MKL	A	110	—	—	406 Direct	+37.16%	Acquired	(price as of 2026-08-20)
Feb. 1, 2018	D	F	1,613	$70.97	$114,475	48,677 Direct	-3.21%	Disposed	-3.8% (price as of 2026-08-20)
Feb. 1, 2018	D	F	1,467	$75.90	$111,345	50,290 Direct	-2.83%	Disposed	-10.1% (price as of 2026-08-20)
Feb. 1, 2018	D	F	1,233	$75.90	$93,585	31,528 Indirect	-3.76%	Disposed	-10.1% (price as of 2026-08-20)
Jan. 31, 2018	D	A	8,831	—	—	51,757 Direct	+20.57%	Acquired	(price as of 2026-08-20)
Jan. 31, 2018	D	A	2,813	—	—	32,761 Indirect	+9.39%	Acquired	(price as of 2026-08-20)
Feb. 3, 2017	D	S	3,000	$71.67	$215,010	29,948 Indirect	-9.11%	Disposed	-4.7% (price as of 2026-08-20)
Feb. 3, 2017	D	A	2,999	—	—	32,948 Indirect	+10.01%	Acquired	(price as of 2026-08-20)
Feb. 3, 2017	D	A	6,974	—	—	42,926 Direct	+19.40%	Acquired	(price as of 2026-08-20)
Feb. 1, 2017	D	F	1,023	$71.85	$73,503	29,949 Indirect	-3.30%	Disposed	-5.0% (price as of 2026-08-20)
Feb. 1, 2017	D	F	1,219	$71.85	$87,585	35,952 Direct	-3.28%	Disposed	-5.0% (price as of 2026-08-20)
Nov. 3, 2016	D	G	50	—	—	30,972 Indirect	-0.16%	Disposed	(price as of 2026-08-20)
May 1, 2016	D	F	1,474	$71.47	$105,347	37,171 Direct	-3.81%	Disposed	-4.5% (price as of 2026-08-20)
March 20, 2016	D	A	42	—	—	38,645 Direct	+0.11%	Acquired	(price as of 2026-08-20)
Feb. 3, 2016	D	S	2,594	$69.67	$180,724	31,022 Indirect	-7.72%	Disposed	-2.0% (price as of 2026-08-20)
Feb. 3, 2016	D	A	3,004	—	—	33,616 Indirect	+9.81%	Acquired	(price as of 2026-08-20)
Feb. 3, 2016	D	A	3,576	—	—	38,603 Direct	+10.21%	Acquired	(price as of 2026-08-20)
Feb. 1, 2016	D	F	1,283	$70.18	$90,041	30,612 Indirect	-4.02%	Disposed	-2.7% (price as of 2026-08-20)
Feb. 1, 2016	D	F	1,284	$70.18	$90,111	35,027 Direct	-3.54%	Disposed	-2.7% (price as of 2026-08-20)
Dec. 20, 2015	D	A	42	—	—	36,311 Direct	+0.12%	Acquired	(price as of 2026-08-20)
Sept. 20, 2015	D	A	40	—	—	36,269 Direct	+0.11%	Acquired	(price as of 2026-08-20)
June 20, 2015	D	A	40	—	—	36,229 Direct	+0.11%	Acquired	(price as of 2026-08-20)
March 20, 2015	D	A	38	—	—	36,189 Direct	+0.11%	Acquired	(price as of 2026-08-20)
Feb. 13, 2015	D	S	2,500	$72.98	$182,450	31,895 Indirect	-7.27%	Disposed	-6.5% (price as of 2026-08-20)
Feb. 1, 2015	D	F	1,201	$76.89	$92,345	34,395 Indirect	-3.37%	Disposed	-11.2% (price as of 2026-08-20)
Feb. 1, 2015	D	A	2,732	—	—	35,596 Indirect	+8.31%	Acquired	(price as of 2026-08-20)
Feb. 1, 2015	D	F	1,195	$76.89	$91,884	39,308 Direct	-2.95%	Disposed	-11.2% (price as of 2026-08-20)
Feb. 1, 2015	D	A	3,252	—	—	40,503 Direct	+8.73%	Acquired	(price as of 2026-08-20)
Dec. 20, 2014	D	A	33	—	—	37,251 Direct	+0.09%	Acquired	(price as of 2026-08-20)
Sept. 20, 2014	D	A	36	—	—	37,218 Direct	+0.10%	Acquired	(price as of 2026-08-20)
June 20, 2014	D	A	35	—	—	37,182 Direct	+0.09%	Acquired	(price as of 2026-08-20)
May 2, 2014	D	I	576	$70.99	$40,890	3,474 Indirect	-14.22%	Disposed	-3.8% (price as of 2026-08-20)
March 20, 2014	D	A	35	—	—	37,147 Direct	+0.09%	Acquired	(price as of 2026-08-20)
Feb. 1, 2014	D	F	1,161	$67.91	$78,844	37,112 Direct	-3.03%	Disposed	0.5% (price as of 2026-08-20)
Feb. 1, 2014	D	A	3,682	—	—	38,273 Direct	+10.64%	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Initial ownership (Form 3) 6 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Feb. 23, 2026	CMSD	Common Stock	0	Direct
Feb. 23, 2026	CMSD	Depositary Shares - 4.2% Perpetual Preferred Stock, Series C	0	Direct
May 16, 2018	MKL	Common Stock	296	Direct
May 16, 2018	MKL	Common Stock	500	Indirect
Jan. 7, 2014	D	Common Stock	34,591	Direct
Jan. 7, 2014	D	Common Stock	4,034	Indirect

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

D

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2024	$958,604	—	—	—	$1,059,623	$610,562	$93,324	$3,378,387
2022	$897,388	—	—	—	$1,235,731	$0	$90,276	$3,023,465
2019	$738,303	—	—	—	$1,203,936	$1,774,643	$70,259	$4,642,173

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.